21431798

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5783}}^1$

素因数の和:5911

約数の個数: 16

約数和(自身を含む): 34356960

約数和(自身を除く): 12925162

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5783, 11566, 98311, 196622, 630347, 1260694, 10715899, 21431798]

約数ペア:

[(1, 21431798), (2, 10715899), (17, 1260694), (34, 630347), (109, 196622), (218, 98311), (1853, 11566), (3706, 5783)]